Element block pseudo-class :active generated with box-sizing content-box cursor default border 0px rgba(0,0,0,1) solid float none transform transition overflow hidden z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px display block font-weight normal margin 0px height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) background width 160px line-height 1 font-size 16px border-radius position static